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Five cylindrical glass fuses with metal end caps

Bussmann

Bussmann GDB-6.3A Glass Fuse 6.30A 250V AC 5 PK

SKU CH-4ZR1-M4TMG

Pack of five fast-acting 6.3 A glass fuses rated 250 V AC with a 35 A interrupt rating

  • Fast-acting protection clears faults quickly
  • 35 A interrupt rating handles short circuits safely
  • 30 A at 250 V AC suits many circuits
  • Glass body allows visual inspection
  • Pack of 5 provides ready spares

Glass Fuse 6.30 A 250 V AC

This pack contains five fast-acting glass fuses rated at 6.30 amperes and 250 volts AC. Each fuse uses a cylindrical 20 mm by 5 mm body and carries a 35 A interrupt rating at the same voltage. They suit low-voltage circuits that need reliable over-current protection.

Build Integration

The non-rejection design fits standard HTB-series fuse blocks without a keyed holder. A single-element construction keeps the internal structure simple for quick visual inspection. Five pieces per pack let you stock spares alongside the active circuit.

Sustained Load Behaviour

Fast-acting response clears over-currents before heat can damage downstream components. The 35 A interrupt capacity handles fault energy without shattering the glass body. UL and CE markings confirm compliance for continuous service at the rated voltage.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 93% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON BUSSMANN

Questions about this item

How much current can the GDB-6.3A glass fuse interrupt at 250 V AC?

The fuse carries a 35 A interrupt rating at 250 V AC, so it will safely clear faults up to that level.

How warm does the fuse body get during continuous operation at its 6.30 A rating?

The glass body is designed for standard fast-acting duty at 6.30 A and 250 V AC; normal operation stays within the temperature limits defined by the UL and CE standards listed for the GDB series.

What fuse block series accepts these 20 mm × 5 mm cylindrical fuses?

The compatible fuse block series is HTB, which matches the 20 mm length and 5 mm diameter of the GDB-6.3A fuses.

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